Calculate, resize, and find perfect dimensions for your content
Ratio: 16:9
An aspect ratio is the proportional relationship between the width and height of an image or video. It is expressed as two numbers separated by a colon (width:height), such as 16:9 or 4:3. Understanding aspect ratios is essential for content creators, designers, and developers.
Widescreen, YouTube, most modern TVs
Classic TV, older monitors
Square, Instagram posts
Photography, older cameras
Vertical video, Instagram Stories, TikTok
Ultrawide cinema, gaming monitors
Video: 16:9 (1280x720)
Thumbnail: 16:9 (1280x720)
Feed Post: 1:1 (1080x1080)
Story: 9:16 (1080x1920)
Video: 9:16 (1080x1920)
Video: 16:9 or 1:1 (1200x628)
When resizing images, always maintain the aspect ratio to avoid distortion. Here are some best practices:
Aspect ratio is the proportional relationship between the width and height of an image or video, expressed as two numbers separated by a colon (e.g., 16:9). It determines the shape of your content without affecting actual dimensions.
Divide the width by the height, then simplify the fraction. For example, 1920รท1080 = 1.777, which simplifies to 16:9. This calculator does it automatically for you.
The aspect ratio of 1920x1080 is 16:9. This is the standard widescreen format used for Full HD videos, modern monitors, and most content on the internet.
The best aspect ratio for YouTube videos is 16:9 (widescreen). The recommended resolution is 1920x1080 (Full HD) or 3840x2160 (4K). Avoid vertical videos (9:16) unless creating YouTube Shorts.
16:9 is a widescreen format that is wider and shorter, commonly used in modern TVs and videos. 4:3 is a more square format used in older TVs and classic photography. 16:9 is wider (aspect ratio 1.78) while 4:3 is more square (aspect ratio 1.33).
You can maintain quality by: 1) Never enlarging images beyond their original size, 2) Using high-quality source images, 3) Maintaining aspect ratio proportions, 4) Using modern compression formats like WebP, and 5) Testing on your target devices.
Maintaining aspect ratio prevents image distortion and stretching. It ensures your images look professional and are displayed correctly across all devices and platforms.
For Instagram feed posts, the ideal aspect ratio is 1:1 (square) at 1080x1080 pixels. For Stories, use 9:16 at 1080x1920 pixels. For Reels, use 9:16 or 16:9 depending on your preference.